https://blog.wongcw.com/2018/10/04/simplemind-v1-21-macosx-%e5%a4%9a%e8%af%ad%e8%a8%80%e4%b8%ad%e6%96%87%e6%b3%a8%e5%86%8c%e7%89%88-%e8%bd%bb%e9%87%8f%e7%ba%a7%e6%80%9d%e7%bb%b4%e5%af%bc%e5%9b%be/